How is a Kroc row different from a regular single-arm dumbbell row?

The strict Dumbbell Single-Arm Bent-Over Row is done with a knee and hand on the bench, a flat back and no help from the body. The Kroc row is done from a staggered stance with both feet on the floor, uses a much heavier dumbbell for more reps, and allows a small leg and hip drive to start each rep. The strict row is better for learning the movement and controlling each rep, while the Kroc row is for load, grip and pushing a hard set further.

Is the body English in a Kroc row just cheating?

It is deliberate, but it has limits. A small push from the legs and hips to get the dumbbell moving is part of the exercise; heaving the torso up and down or twisting the chest open is not, and that is where most of the extra risk to the lower back and shoulder comes from.

How many reps should Kroc rows be?

They are usually done as one hard set per arm after a few warm-up sets, with the heaviest dumbbell you can row for 20 to 40 reps. Some lifters also use a heavier dumbbell with straps for fewer reps.

Should I use lifting straps for Kroc rows?

Straps let your back keep working after your grip gives out, which suits the heaviest sets. Going without them trains the grip, which is part of what the row is for, so many lifters use straps on some sessions and not on others.

Where do Kroc rows go in a workout?

Put them early, as your main back exercise or right after deadlifts, while your lower back is fresh enough to hold the hinge. Saved for the end of a long session, they are more likely to turn into a swing.

Are Kroc rows good for beginners?

Not as a first row. Learn the strict Dumbbell Single-Arm Bent-Over Row until you can do sets of 10 to 15 with a still torso, then add Kroc rows once you can tell a small leg drive from a swing.

Dumbbell Kroc Row

What Is the Dumbbell Kroc Row?

Dumbbell Kroc Row is a compound exercise that primarily targets the back and also engages the rear shoulders, biceps, forearms and lower back. It is an intermediate-level movement: a heavy single-arm dumbbell row done for high reps from a staggered stance, with the free hand braced on a bench and a small amount of leg and hip drive allowed to keep the set going after a strict row would have stopped.

The row is named after powerlifter Janae Kroc, who used it to build the upper back and grip behind a heavy bench press and deadlift. It is still mostly used that way, as a back and grip accessory in strength programs. The usual format is one hard set per arm after a few warm-up sets, either with the heaviest dumbbell that allows 20 to 40 reps without straps, or with an even heavier dumbbell and straps for fewer reps.

What separates it from the strict Dumbbell Single-Arm Bent-Over Row is how much the rest of the body is allowed to help. The strict row puts a knee and a hand on the bench, holds the back flat and close to parallel with the floor, and keeps the torso still, so the back has to move the dumbbell on its own. The Kroc row keeps both feet on the floor, lets the torso sit a little higher, and accepts a small push from the legs and hips to start each rep. That lets you handle more weight and more reps, and it adds real work for the grip, the lower back and the trunk, but it also means the lats get help through the hardest part of the pull and the lower back takes a share of the load the bench would otherwise carry.

The controlled cheating is only useful while it stays small. The help should come from the legs and hips at the start of the pull, the hips should stay square, and the dumbbell should still be lowered under control to a full stretch. Once the torso starts heaving up and dropping, or twisting open to finish the rep, the back is no longer doing the work and the extra risk to the lower back and shoulder is no longer buying anything.

It suits intermediate and advanced lifters, especially powerlifters and anyone chasing a bigger upper back and a stronger grip. Build the strict single-arm row first, until you can row for sets of 10 to 15 with a still torso and a full range of motion; the Kroc row is a way to push a set further, not a substitute for learning to row. If your lower back limits the hinge, the chest-supported Dumbbell Incline Row trains the same muscles without it.

Muscles Worked

MuscleActivation

Latissimus Dorsi: Primary
Rhomboid Major: High
Teres Major: High
Upper Trapezius: High
Biceps Brachii: Medium
Brachialis: Medium
Brachioradialis: Medium
Deltoid: Medium
Erector Spinae: Medium
Flexor Carpi Ulnaris: Low

Instructions

Set an adjustable bench to a low incline and stand a heavy dumbbell on the floor in front of you, a step away from the raised end of the bench.
Take a long staggered stance, front knee bent and rear leg nearly straight behind you.
Hinge forward at the hips and place your free hand on the raised end of the bench, with that arm straight.
Pick up the dumbbell with a neutral grip, palm facing in, and let it hang at arm's length below your shoulder. Use straps if your plan calls for them.
Brace your trunk, keep your back flat and your hips square, and let the shoulder blade drift forward slightly so the lat is stretched.
Start the pull with a small push from your legs and hips, then drive the elbow up and back, keeping it close to your side.
Row until the dumbbell is beside your lower ribs and the elbow is behind your torso. Your torso may rise a little, but do not twist your chest open or shrug the shoulder toward your ear.
Lower the dumbbell under control to a full stretch, returning the torso to its starting angle.
Keep repping without resting at the bottom, and end the set when the torso has to swing or twist to move the dumbbell. Switch hands and stance and repeat on the other side.

Common Mistakes

Turning momentum into a swing
Letting the torso heave up and drop on every rep means the hips and lower back are moving the dumbbell instead of the back muscles, and it loads the spine far more than a small leg and hip drive does.
Twisting the chest open
Rotating the torso toward the ceiling to finish the rep puts a loaded twist through the lower back and shifts the work away from the lat.
Rounding the lower back
Letting the spine round as the heavy dumbbell pulls you down or as the torso rises to start the rep puts the lower back under load in a weak position.
Dropping into the bottom
Letting a heavy dumbbell fall back to the stretch jerks the shoulder, lat and biceps tendon and throws away the lowering half of every rep.
Half reps from the start
Cutting the range short from the first rep skips the stretch and the full pull, when the range should only shorten slightly as fatigue sets in late in the set.
Shrugging toward the ear
Pulling the dumbbell up with the upper trap lifts the shoulder toward the ear instead of drawing the elbow back past the torso.

Injuries

Dumbbell Kroc Row is a medium risk exercise when performed with proper technique. It carries more risk than a strict single-arm row for two reasons: the lower back holds a loaded hinge without a knee on the bench, and the technique allows momentum, which is easy to let grow as the set gets hard. The main strain points are the lower back, the lat and the front of the shoulder, and the biceps tendon at the elbow, along with the forearms and elbows from gripping a heavy dumbbell for many reps.

Most of the risk comes from the cheating getting bigger rather than from the load itself. Keep the help to a small push from the legs and hips at the start of the pull, keep the hips square and the spine neutral, and do not let the torso heave up and drop or twist open to finish a rep. Lower every rep under control to a full stretch rather than letting the dumbbell fall, since dropping a heavy weight into the bottom jerks the lat, the shoulder and the biceps tendon. Do your Kroc rows early in the session, while the lower back is fresh, rather than at the end.

If you are new to rowing or the lower back limits the hinge, regress to the Dumbbell Single-Arm Bent-Over Row, where the bench takes much of the load, or to the chest-supported Dumbbell Incline Row. Progress by adding reps or weight only while each rep still starts from a full stretch and the torso returns to the same angle. Using straps on some sessions lets the back keep working after the grip fades without piling extra stress on the forearms every week.

Stop the set if you feel sharp or pinching pain in the lower back, pain or tingling that runs into a leg, a pop or sudden pain at the front of the elbow or upper arm, or sharp pain in the front of the shoulder. Ending a set because the torso has started to swing or twist is normal for this exercise, not a failure.

Overview

Primary Focus: Back
Equipment: Dumbbell and bench
Modality: Strength
Difficulty: Intermediate

Alternative Exercises

Frequently Asked Questions

Q: How is a Kroc row different from a regular single-arm dumbbell row?: The strict Dumbbell Single-Arm Bent-Over Row is done with a knee and hand on the bench, a flat back and no help from the body. The Kroc row is done from a staggered stance with both feet on the floor, uses a much heavier dumbbell for more reps, and allows a small leg and hip drive to start each rep. The strict row is better for learning the movement and controlling each rep, while the Kroc row is for load, grip and pushing a hard set further.
Q: Is the body English in a Kroc row just cheating?: It is deliberate, but it has limits. A small push from the legs and hips to get the dumbbell moving is part of the exercise; heaving the torso up and down or twisting the chest open is not, and that is where most of the extra risk to the lower back and shoulder comes from.
Q: How many reps should Kroc rows be?: They are usually done as one hard set per arm after a few warm-up sets, with the heaviest dumbbell you can row for 20 to 40 reps. Some lifters also use a heavier dumbbell with straps for fewer reps.
Q: Should I use lifting straps for Kroc rows?: Straps let your back keep working after your grip gives out, which suits the heaviest sets. Going without them trains the grip, which is part of what the row is for, so many lifters use straps on some sessions and not on others.
Q: Where do Kroc rows go in a workout?: Put them early, as your main back exercise or right after deadlifts, while your lower back is fresh enough to hold the hinge. Saved for the end of a long session, they are more likely to turn into a swing.
Q: Are Kroc rows good for beginners?: Not as a first row. Learn the strict Dumbbell Single-Arm Bent-Over Row until you can do sets of 10 to 15 with a still torso, then add Kroc rows once you can tell a small leg drive from a swing.